Glossary

A chemical reaction in mortar or concrete between alkalies from portland cement or other sources and certain constituents of some

In portland cement, the reaction between the alkalies and particular siliceous rocks and/or minerals which are present in some aggregates;

A paint using an alkyd resin as the vehicle for the pigment.

A principal constituent of portlandcement clinker; primarily tricalcium silicate, but includes small amounts of magnesium oxide, aluminum oxide, ferric oxide,

Any of the various chemically active bases such as the soluble salts of metals, e.g., the water-soluble salts of sodium